Patent Leaderboard
All Time
2025
2024
2023
2022
2021
2020
2019
2018
2017
2016
2015
2014
2013
2012
2011
2010
2009
2008
2007
2006
2005
2004
2003
2002
2001
2000
1999
1998
1997
1996
1995
1994
1993
1992
1991
1990
1989
1988
1987
1986
1985
1984
1983
1982
1981
1980
Search
Companies
Inventors
Cities
States
Kahoku, JP
All Time
1,042 patents · 200 inventors
Ranked
#3,566
of 111,555 cities
Top 4%
Showing 51–100 of 200 inventors
Rank
Inventor
Primary Company
Patents
#49
Kazumi Miyasaka
Pfu Limited
5
#49
Kazuhito Seki
Pfu Limited
5
#49
Ken Funaki
Pfu Limited
5
#54
Yoshihisa Taira
Pfu Limited
4
#54
Yuki Hirano
Fujitsu Limited
4
#54
Kayo Takayanagi
Pfu Limited
4
#54
Shinichiro Kamimaru
Pfu Limited
4
#54
Hirokazu Kawatani
Pfu Limited
4
#54
Katsunao Sasaki
Pfu Limited
4
#54
Tomonori Yuasa
Omron Healthcare Co.
4
#54
Toru Nakazono
Yanmar Holdings Co.
4
#54
Yasuhiko Kishimoto
Pfu Limited
4
#54
Eiichi Terabayashi
Pfu Limited
4
#54
Junichi Oda
Pfu Limited
4
#54
Keiji Michine
Pfu Limited
4
#54
Seigo Terada
Pfu Limited
4
#67
Seisuke Tsurumi
Pfu Limited
3
#67
Mutsumu Nagashima
Pfu Limited
3
#67
Hiroyuki Sakano
Brother Industries
3
#67
Yuichi Koshiyama
Fujitsu Limited
3
#67
Tatsuya Komano
Pfu Limited
3
#67
Yuichi Okumura
Pfu Limited
3
#67
Yasuo Hatanaka
Fujitsu Limited
3
#67
Yusuke Kishi
Fujitsu Limited
3
#67
Katsunori Aoyama
Pfu Limited
3
#67
Takeshi Yokogawa
Pfu Limited
3
#67
Yasuaki Ishiyama
Pfu Limited
3
#67
Eiki Yamada
Pfu Limited
3
#67
Hirotoshi Doki
Mitsui Chemicals
3
#67
Tomofumi Kumahashi
Pfu Limited
3
#67
Yasushi Takemura
Pfu Limited
3
#67
Syuichi MORIKAWA
Pfu Limited
3
#67
Koichiro Tonehira
Hitachi
3
#67
Shinya Orita
Pfu Limited
3
#67
Hiroshi Shiraiwa
Pfu Limited
3
#86
Junji Yagi
Pfu Limited
2
#86
Yuka Awazu
Pfu Limited
2
#86
Taketoshi Sawada
Fujitsu Limited
2
#86
Kayo Iimuro
Pfu Limited
2
#86
Jouichi Bita
Fujitsu Limited
2
#86
Satoshi Kirita
Fujitsu Limited
2
#86
Hikohisa Kitai
Pfu Limited
2
#86
Hirotake Shinde
Pfu Limited
2
#86
Mitsuhiro Shikan
Pfu Limited
2
#86
Mitsuhiro Iwase
Olympus
2
#86
Toshihiro Motochika
Mitsubishi Gas Chemical Company
2
#86
Seishi Sanada
Pfu Limited
2
#86
Yasuhide Chigawa
Pfu Limited
2
#86
Mitsuhiro Katsuizumi
Pfu Limited
2
#86
Ippei Fujiyama
Pfu Limited
2
« Prev
1
2
3
4
Next »